402441110121 has 16 divisors (see below), whose sum is σ = 564855508800. Its totient is φ = 254161686528.

The previous prime is 402441110119. The next prime is 402441110167. The reversal of 402441110121 is 121011144204.

It is not a de Polignac number, because 402441110121 - 2¹ = 402441110119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402441100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191625 + ... + 1491593.

It is an arithmetic number, because the mean of its divisors is an integer number (35303469300).

Almost surely, 2^402441110121 is an apocalyptic number.

It is an amenable number.

402441110121 is a deficient number, since it is larger than the sum of its proper divisors (162414398679).

402441110121 is a wasteful number, since it uses less digits than its factorization.

402441110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323528.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 402441110121 its reverse (121011144204), we get a palindrome (523452254325).

The spelling of 402441110121 in words is "four hundred two billion, four hundred forty-one million, one hundred ten thousand, one hundred twenty-one".